X s silas hoffman



Le RUB. Cooking Stove. No.103,204. Patented May 17,1870.`

.71mv flr from Quan fifa/@ WV N N,PETERS, F|IOTO-LIMOGRAPMER4 WASHINGTON, D cA volving grat-'e'for the purpose of' consuming ,the gas.

l struction, and provided with a baking-oven, B.

. a, whichv may b e operated either from the outside of i another room, so lthat 'the heat' of the oven Vmay in' .'this manner. be utilized.

gaat wir.

SILAS HOFFMAN LA RUE, or ALLENTOWN, PENNSYLVANIA.

Leners Pennino. 103,201, cm1 Magi?, 1870.

rIIEMEIRCVEMENT IN COOKING-STOVES.

"The Schedule referred to in these `Letters 'Patent and making of the same.

To all'whom it 'may concern:

Bel it-,kno\vn that I, Suns HOFFMANLAZRUE, of Allentown, in the county of Lehigh and'n the State of Pennsylvania, have invented certain new. and. useful `Improv'ern'e'htsin'Stoves;` and do hereby declarethat thefoliowing isa-full, clear,,and .exact description thereof, reference' being Ahad to the accompanying drawings 1 and'to the 'letters of reference marked thereon making a part of this specitication.

The nature of my invention consists- -First, in conduotingheat from the oren of a bakingstove when not in use, to an upper room; and

Second,.in th'e construction and arrangement of a r'e- Iirorder to enable others skilled intheai't to which my inrentionappertains to make `and use Ythe same, I will now proceed to-describe-itsconstruction and operation, referring 'tothe annexed drawings, in which- Figure 1 isa longitudinal ertical section, and

Figure 2 is a plan-view f of `I nyf stove.-

Figure 3 is an endview of lieirevoivinggiate.

Figure 4 is asection .of the y'oi'fen-door showing a damper therein.

fArepresents a cooking-store of any suitable cdu- C `is the pipe 4through which the products of combustion are carried off'to the chimney-Hue.

inthe top of the oven B, directly under the smokepipe, is an aperture provided with Va slide or damper,

the Stove, or from the inside of the oven, whichever may-be desired. A pipe 4D leads from this apertureupward through theV smoke-pipe O, into the same or When the oven is in use, the. damper a will be closed so ,as'to confine the heat in thesame, but, when not in use, it is to be opened to convey the heated air upward, and heat the'room.

.For the purpose of 4supplyingjair to the o.ven, to

take the piace of the heated air that has passed away,

the door ofthe o ven is providedA with a damper to be regulated at wili'.

In the hre-box of the stove is placed al dre-grate, A

E, of cylindrical shape, the heads or ends being solid,

and connected by means oi' gratebars. The-heads or ends of the grate are, on their outside, provided with pivotsor journals b b, and suspended in any suitableV manner, so as to revolve freely. The. sides of the 1 grate are provided with longitudirad ianges e e, which strike and bear against fianges or edges 'i i, in the sides of the fire-box, so' to hold the grate in positio i1,

with either side up.

A slide -d is `also 4formed in the top of the grate through which fuel is introduced, and I intend to place a similar slide in the bottomof the grate, so that the recan be replenished, whether tlretop or bottom is P- 'The object "if Amy revolving grate is to consume the gas-by turning the grate upside down, when' the 'iire has been well Started.- The 'firev will gradually burn down through-the coal beneath it, and consume the gas passinglup through it. Every time fresh coal is put on the're, the great is to be turned over again.'

This grate also dispenses with 'the use of" lirebr ick.

` Haying thus fully described. my invention, what vI claim- Aas new and-desire to secure by Letters Patent,

The combination' andh arrangement, in a cookingstove, of the revolying-grate E, pipes C D, and oven y.; B, withl an aperture in'itoomuiunicati-ng with a hotair pipe, and adoor provided with a damper, `all `su,b

stantiaily as and for the purposes setforth.

` Intestimony that 1 claim the foregoing, I have hereuntol set my hand this 1st day of February, 1870.

v S. H. LA RUE.

Witnesses 1 A. F. WICrTMAN,l .ABRAHAM WORMAN. 

